Boiler water-glass.



L- J- BORDO. BOILER WATER GLASQ.

rum-r1011 nun JULY 6, 1907.

Patented Oct. 18, 1910.

2 SHEETS-SHEET 1.

fi mmmm A rronnsr,

L. J. 130mm. BOILER WATER GLASS. APPLICATION FILED JULY 6,1907.

Patented Oct. 18,1910.

2 SHEETB-SHEET 2.

I hollow boss B into which the proper end of with ' UNITED STATES LAMBERT J. BORDO, OF PHILADELPHIA, PENNSYLVANIA.

301mm warns-eases.

Specification of Letters Patent,

Patented Oct. 18, 1910,

Application filed July 6, 1907. Serial No. 382,471. I

To all whom it may concern:

Be it known that I, LAMBERT, J. 1301100, a citizen of the United States of America, re siding in the city and county of Philadelphia, in the State of Pennsylvania, have in vented a certain new and useful Improvement in Boiler Water-Glasses, of which the following is a true and exact description, reference being had to the accompanying drawings, which form a part thereof.

My present invention relates to the construction of water glasses or water level indicators for steam boilers and the like, and has for its object to improve the operation of such glasses by the provision of a single simple and effective means for quickly and positively closing the connections between the two ends of the glass and the boiler when necessary, as on the breakage of the water glass barrel, and. to provide a simple effective transparent shield for the glass barrel so that on the breakage of the latter the brokenp'arts and escaping'steam and water will not ini ure the boiler attendant or other person at land.

The various features of novelty which characterize my invention are pointed out d articularity in .the claims annexed to an Fora better understanding of the invention, however, and the advantages possessed by it reference may be had to the accompanying drawin s and descriptive matter in which I have illustrated one of the forms in which my invention may be made.

Of the drawings, Figure 1 is an elevation of the water glass structure, Fig. 2 is a' plan,

and, Fig. 3 is an elevation taken at right angles to Fig. 1, with parts in section. I

In the drawings, A represents "the water glass or barrel proper, which is connected at its upper end to a cock B, and at its lower end to a cock B The cocks B and B are substantially identical in construction with the exception that the lower one is providedwith: the usual pipe extension B? for. attachment to a drip or waste cock. Each'of the portion B; adapted to the glass steam and water barrelA is tightly secured by means of the packing B", gland -B', and cap B'. Each cock has a. valve spindle or operating stem Gin threaded engagejment with the casing of the cock at G and surrounded wlth the packing rings C orming a part of this specification.

held in place by the gland C and jam nut C. In the form shown such valve spindle has removably secured to it as its inner end by a threaded member D a valve member D adapted to seat itself on the removable valve seat member E, which is threaded into the valve casin at E The valvemember D has a fluted inner stem or extension D which passes through the port in the valve seat member E and through the port ina second valve seat member F, threaded into the valve casing at F Each extension D holds a check valve G off its seat against the valve seat member F in either the normal open or closed position of the valve D. The check valve G constantly tends to seat itself under the action of a spring G extending between the inner end of the fluted stenf G of the check valve G and a sleeve G screwed into the inner end of the valve casing. The fluid pressure back of the valve G also urges the valve toward its seat at all times. Thepur-- pose of the check valve G is to close the attached valves D in'order'to repainor re place the valve seats E. This arran 'ement,

which is also-novel to me, is not claimedassages through the valve casings when. itis- .deslred to remove the valve-spindlesC and The two arms formed by the opposite ends of the cross bar C secured to the spindle .C n the upper valve casing '13 are siniilar and are each provided with 'a perforation C to which an operating connection or member, in the present case, chains G andGf, may.

be secured. The lower cross bar C has'- itS left hand end of the same form as each of the arms of the upper crossbar, and the perforation C formed in this arm is connectedtothe chain C by a short chain G. The right hand end of the lower crossbar C is shorter than the left hand end, and has pivoted to it at C" an extension link Q provided with a erforation C to which the lower end of t e chain C is conneoted.- It will be observed that the chain C"; forms a member which iscplvotallv connected at its.

ends to the arm a'ndthe link C. An .ocp'erating connection in the form of a chain is secured inthe perforation 0 formed in the link C between its ends...

In operation both valves D may be; simul taneousl moved oil of their seat by a pull on thee ain C. If the chain C is'not extween chains C andthe ear in the upper sary t'oiarr'a-nge and connect the left hand arms as theright hand arms are arranged and connected, since with the simple'flexible.

' vibration or the like, corrugated ,strips H not so hooked actly proportioned in to the length of I the portlon ofthe chain G extending-becross bar, the valves will not be opened to exactly the same extent, but minor-variations in the degrees to which the two valves open are of no particular importance in a water lass construction. By pullin ,the

chain both valves D 'may be orced ti htly a ainst their seats regardless of.the relative (agrees of opening, since the lower end of the chain'C forms a .tulcrum.on which 'thelink C may turn to complete the closing movement of'the lower valve if the upperone closes first, and the pivot C. serves as afulcrum on whichthe link C can turn to close the upper valve if the Power valve closes 'first. This arrangement, it will be observed, provides ameans bywhich the twd'valves" can. be quickly and positively closed by a, single operatingdevice which is e upon thebreakageflof the" highly desirab I glassbarrel A for instance. It'is unnecesconnection/betweenthe left 'handfarrps.

shownany excess of turning movement of 'One valve spindle over the othennecessary to tightly closethe valves is ,unhindered.

Thevalve casings and'B are provided with'ears B perforated to receive ends of rods H .orprojections connected to-the water glass shield. This shield comprises a. framework formed of end members Hwi'nto I which the rods H are secured, and which are secured together by rods .H threaded ends'screwed into the frame meme 'bersHI: As shown, each end member .H comprises two parts extending to each other at an angle rather less than 90, each part being formed with aslot H in whichis re. ceived one end of one of the two'rectangular pieces .of plate glass H time protecting them a'gainst injury 'irom of resilient material 'are placed inthegslots plates and the botto bent to for'rn hooks while.- the lower rods are o. th t h e d h s readily put in lace; by simply raising V or lowering the frame'to'c'arry'theends of the the ears-B The" plates'of. g1a. ss Hf1irevent point where it: would otherwise be" visible;

having;

: glass v I which form the, shield} To'allowthe glass plates'H .to'be;

held firmly in the frame whileatthe same spind 'a-raaa? .With the construction'desoribed the boiler attendant is not only protected from injury ona. breakage of the water barrel but may quickly and easily close both valves leading to the water glass and thereby shut off the esca e of steam and Water.

aving now described myinvention, what I claim as new and desire to secure by Letters Patent is:

comprising a glass barrel, valve casings for connecting the top and bottom ends of the "glass barrel to the boiler,'a valve in. each a valve casing having a spindle projecting through the casing, .an arm secured to said spindle without the casing whereby the valve ;may berotated to open and close it, means for preventing the .rotation of each valve in thevalve closing direction after the valve is closed, a link having one end pivoted to one of said arms, a member pivotally connected to-the other end of the link and ,pivotally connected to the otherarm, and

'2. A water level indicator for boilers comv x 1. A water level indicator for boilers,

operating. connection engaging the link between its two ends.

prising a glass barrel, valve'casings for con- I necting the top and bottom ends barrel to the boiler,

engagement with the valve casing, 'and an of the glass M a valves-in each valve Teasing having a spindle or stem in threaded arm secured to the outer end. of each spindle,

a link. havingone end pivoted to one ofv said arms, a. member pivotally connected-to the other end .of the link and pivotally (5011- nected to. the. arm of the other valve, and an operating connection engaging the link bee tween :its .two ends.-

tending. .in opposite directions: from each 1e, one arm from' one spindle having a l 3.;A-water level indicator for boilers com prisinga glassbarrel, valve casings tor-connectin .the top and bottom ends ofthe garrelltd the boiler, a valve in each, casing having a stem or spindle. in threaded engagement with theyalve'casing, arms ex- 'pivot-ed to it, a member pivotally con-v ne'c tedto thepther. end of the link and the pull connect on for closing the valves engaging' the between. its two ends, and

,corresponding arm of} the other valve, a

; a pull connectiion for opening the two valves having a 'jfiexible connectlon to the other arm ofeachlofth'e'tfwo valves. s

I E water level indicator for boilers cone 7 A I prising aglass barrel, vii-1Y8 casings for conrodsH font of or into;theperforationsin,"

.iiecting thetopI-and bottom; ends of the glass 1 ftrarnew'orkland plates of glass. supported by.

saidijliramework; and," meeting :at an angle A- its sides,

to inclosfetfll glass-barrel 'invfront and atandp rforate dpartscarried; by the I with slots H and rod H connecting. the

valve casings, and projections extending bottom edges received in saidslots H and from the shield framework by which the I meeting at an angle, corrugated resilient shield may be detachably secured in place. strips 1n the slots extending between the 15 5. A water levelindicator for boilers com- I edges of the glass plates and the bottom wall prising a glass barrel, valve casings for coni of the slots and projections H secured to necting the top and bottom ends of the glass the frame and arranged to be detachably barrel1 t3 the-boiler, eiflch valve casing being received by the perforatlons in the ears B provi e with a er orated ear B and a transparent shield for the glass barrel com- LAMBERT BORDO' prising top and bottom frames H provided \Vitnesses':

ARNOLD KATz',

frames H, glass plates having their top and D. STEWART. 

